1、The fan shaft is not concentric with the electrode shaft.
2、The rigidity of the foundation or the whole support is not enough.
3、Loose impeller bolts or rivets and deformation of impeller.
4、The impeller shaft disc hole is loosely matched with the shaft.
5、The connecting bolts of casing, bearing seat and bracket, bearing seat and bearing cover are loose.
6、The blade has dust, dirt, blade wear, impeller deformation and shaft bending, which makes the rotor unbalanced.
7、Poor installation of the inlet and outlet pipes of the fan causes resonance.
How a bowl of Baixiang good noodles is born? About 1.8 million years ago, humans learned to cook food with purposeful control of fire. The use of fire has made unprecedented progress in human health and life, and Darwin also called cooking the most important invention of mankind after language....
Heat delivers real deliciousness. In recent years, China's kimchi industry has grown rapidly, with a market size of more than 40 billion. With the gradual rise of the "stay-at-home economy", Chinese compound condiments and prepared dishes have become new trends in the industry....
